GITAM School of Business, Visakhapatnam

Hi,
Firstly, German language course fees depend upon the institute & the platform from which you are taking it. If you want to take it online then the fees structure will be different. I prefer you coursera for the e learning. Now, if you want to take it offline then it depends upon your location als

German would be an easy language to learn for people using English as a medium of communication. The difficulty level of German language is less than Korean.

Mumbai University does offer a few foreign language courses. But, institutes would depend on the language you wish to learn. They are really spread out.

No, it's not compulsory. No such requirements are mentioned.

You can use this tool to compare both these colleges.
https://www.shiksha.com/resources/college-comparison.

If your college allows that then certainly you can.

Hey,
Yes, GBU provide the courses for foreign languages.
This may help you:-
https://www.shiksha.com/university/gautam-buddha-university-gbu-greater-noida-38229

BA in foreign languages is the best option. Go ahead with this degree.
Thanks.